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Article #9607vraagje python
From: Vincent Spruyt
Date: Thu, 18 Apr 2002 15:29
Date: Thu, 18 Apr 2002 15:29
39 lines
2365 bytes
2365 bytes
Tot nu toe ging het goed ;-)
Maar nu begrjip ik toch iets niet zo goed.
dit is de defenition;
def cheeseshop(kind, *arguments, **keywords):
print "-- Do you have any", kind, '?'
print "-- I'm sorry, we're all out of", kind
for arg in arguments: print arg
print '-'*40
keys = keywords.keys()
keys.sort()
for kw in keys: print kw, ':', keywords[kw]
wordt aangeroepen door:
cheeseshop('Limburger', "It's very runny, sir.",
"It's really very, VERY runny, sir.",
client='John Cleese',
shopkeeper='Michael Palin',
sketch='Cheese Shop Sketch')
En het resultaat is:
-- Do you have any Limburger ?
-- I'm sorry, we're all out of Limburger
It's very runny, sir.
It's really very, VERY runny, sir.
----------------------------------------
client : John Cleese
shopkeeper : Michael Palin
sketch : Cheese Shop Sketch
Nu staat er nergens uitleg over die **keywords en *arguments. Wat ik niet
begrijp in de def is het volgende
_____________________________
def [knip]
keys = keywords.keys()
[knip]
--------------------------------------
Is keys hier een variabele, en kan dat evengoed test zijn? Is
keywords.keys() een functie? Wat doet dat juist?thxgreetz
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fcea4,bc14dac0ed015b46,start X-Google-Attributes: gidfcea4,public X-Google-ArrivalTime: 2002-04-18 08:36:26 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news1.google.com!sn-xit-02!sn-xit-03!supernews.com!nntp.cs.ubc.ca!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!kibo.news.demon.net!demon!newshub1.nl.home.com!news.nl.home.com!skynet.be!skynet.be!ossa.telenet-ops.be!afrodite.telenet-ops.be.POSTED!not-for-mail From: "Vincent Spruyt" <webmaster@flash-design.be> Newsgroups: be.comp.programming Subject: vraagje python Lines: 42 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Message-ID: <8DBv8.25185$Ze.5091@afrodite.telenet-ops.be> Date: Thu, 18 Apr 2002 15:29:08 GMT NNTP-Posting-Host: 213.224.248.71 X-Complaints-To: abuse@telenet.be X-Trace: afrodite.telenet-ops.be 1019143748 213.224.248.71 (Thu, 18 Apr 2002 17:29:08 MET DST) NNTP-Posting-Date: Thu, 18 Apr 2002 17:29:08 MET DST Organization: Telenet Internet